25790056 has 8 divisors (see below), whose sum is σ = 48356370. Its totient is φ = 12895024.

The previous prime is 25790041. The next prime is 25790057. The reversal of 25790056 is 65009752.

It can be written as a sum of positive squares in only one way, i.e., 25341156 + 448900 = 5034^2 + 670^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (25790057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1611871 + ... + 1611886.

Almost surely, 2^25790056 is an apocalyptic number.

It is an amenable number.

25790056 is a deficient number, since it is larger than the sum of its proper divisors (22566314).

25790056 is a wasteful number, since it uses less digits than its factorization.

25790056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223763 (or 3223759 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 25790056 is about 5078.3910837981. The cubic root of 25790056 is about 295.4500685311.

The spelling of 25790056 in words is "twenty-five million, seven hundred ninety thousand, fifty-six".